Rubus delavayi

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Rubus duclouxii

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. Classified under the subclass Magnoliidae and the order Rosales, it is a member of the Rosaceae family. Ultimately, its taxonomic identity is defined by its placement in the genus Rubus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is specifically native to a particular region within East Asia. Its documented geographical distribution is limited to the South-Central part of China. Within this territory, it thrives in the unique environmental conditions provided by the landscape. Because of this localized presence, it is considered a regional species of the area. Consequently, researchers focusing on its habitat primarily concentrate their studies on the South-Central Chinese provinces.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Rubus delavayi is characterized by its preference for high-altitude montane environments, where it occupies specific niche layers within mountainous ecosystems. This species is predominantly found within a distinct elevational range, typically thriving at altitudes starting from a minimum of 2000 m AMSL. Its distribution peaks at a mean elevation of approximately 2500 m AMSL, indicating a specialized adaptation to the climatic conditions of mid-to-high alpine zones. The upper limits of its ecological tolerance extend to a maximum elevation of 3000 m AMSL, suggesting that the plant is well-equipped to withstand the lower temperatures, increased UV exposure, and varying moisture levels characteristic of these high-altitude habitats.

Elevational range max:

3000 m AMSL

Elevational range mean:

2500 m AMSL

Elevational range min:

2000 m AMSL

Life history

The life history of Rubus delavayi is characterized by its status as a perennial plant, meaning it maintains its vegetative structures and continues its growth cycle over multiple successive years rather than completing its life cycle in a single season. As a long-lived species, it establishes a robust root system that allows it to endure seasonal changes and regrow during favorable growing periods. This perennial nature enables the plant to invest energy into structural development and complex reproductive strategies, often involving the production of fruits and seeds that contribute to the long-term persistence and spread of the species within its natural habitat.

Lifecycle :

perennial

Morphology

The morphology of Rubus delavayi is characterized by its growth form as a woody shrub that functions as a self-supporting plant. In terms of stature, the species exhibits a very diminutive physical presence, with recorded plant heights ranging from a minimum of 0.003 m to a maximum of 0.01 m, resulting in a mean plant height of approximately 0.0065 m.

Climber :

self-supporting

Growth form :

shrub

Plant height max:

0.01 m

Plant height mean:

0.0065 m

Plant height min:

0.003 m

Woodiness :

woody

Physiology

The physiology of Rubus delaayi is characterized by distinct morphological dimensions of its foliage, which serve as critical indicators of its vegetative development and surface area for photosynthetic activity. The leaf morphology exhibits significant variability in size, with leaf lengths ranging from a minimum of 3 cm to a maximum of 7 cm, though the average length typically stabilizes at approximately 5 cm. Complementing this longitudinal growth, the leaf width demonstrates a corresponding range, fluctuating between a minimum of 1 cm and a maximum of 2 cm, with a mean width measured at 1.5 cm. These specific dimensions contribute to the overall structural architecture of the plant, influencing its transpiration rates and its capacity to capture solar energy within its natural habitat.

Leaf length max:

7 cm

Leaf length mean:

5 cm

Leaf length min:

3 cm

Leaf width max:

2 cm

Leaf width mean:

1.5 cm

Leaf width min:

1 cm

Reproduction

The reproduction of Rubus delaavayi is characterized by the development of aggregate fruits that serve as the primary vehicle for seed dispersal. These fruits exhibit a highly consistent morphology in terms of dimensions, where both the fruit length and the fruit width maintain a uniform profile. Specifically, the fruit length across its entire range—including the minimum, mean, and maximum values—is recorded at 1 cm. Similarly, the fruit width remains constant, with the minimum, mean, and maximum measurements all measuring 1 cm. This uniformity in the size of the fruit ensures a predictable structure for the dispersal of seeds during the plant's reproductive cycle.

Fruit length max:

1 cm

Fruit width max:

1 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Rubus delavayi has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include TMC 151C, TMC-151D.

TMC 151C

1. Fitoterapia

TMC-151D

1. Fitoterapia

Activities

Rubus delavayi has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antitumor.

Antitumor

1. Fitoterapia